diff --git a/fs/bcachefs/fs.c b/fs/bcachefs/fs.c
index 77126992dba8c2..8314d3e1582d31 100644
--- a/fs/bcachefs/fs.c
+++ b/fs/bcachefs/fs.c
@@ -1157,6 +1157,7 @@ static const struct file_operations bch_file_operations = {
 	.read_iter	= bch2_read_iter,
 	.write_iter	= bch2_write_iter,
 	.mmap		= bch2_mmap,
+	.get_unmapped_area = thp_get_unmapped_area,
 	.fsync		= bch2_fsync,
 	.splice_read	= filemap_splice_read,
 	.splice_write	= iter_file_splice_write,